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News

2020.12.01
One Harmony Office will be closed from December 30, 2020 to January 3, 2021 for the year-end and New Year holidays. We apologize in advance for any inconvenience caused.
2020.06.29
2020.04.20
New digital voucher for one-category guestroom upgrades for Loyal & Exclusive Members (“My Voucher”) is now provided. Sign in is required to display the digital voucher. Please click here for display.
2020.03.16
Special offer for All Members
For 2,000 One Harmony points, you can redeem a coupon for an annual digital membership of The Wall Street Journal. We hope you will take advantage of this very special opportunity. Please click here for details.

Special Offers

ADVANCE - early bird discount

Early booking plans are available! Book now online or at your nearest reservation center to enjoy our ADVANCE rate plan and experience Okura Nikko Hotels.
Click here for details

Contact Us

One Harmony

+81-3-6402-3388
Inquiry Form
F. A. Q.
9:30-17:30 JST
(Closed Saturdays, Sundays and Holidays)